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金属学报(英文版) 1998
METASTABLE PHASES IN RAPIDLY-SOLIDIFIED ALUMINIUMRICH Al-Sm ALLOYSKeywords: Al-Sm alloy,rapid solidification,metastable phase Abstract: 1.IntroductionSincethel950s,researchesontherapidly-solidified(RS)Alalloyshaveattractedspecialattentionl1-7].Inpreviousinvestigations"7],themetastableextension0fs0lidsolubilities0fsomerare-earths(RE)inAlwasrep0rted.Asac0ntinuati0nofthepr0ject,themetastablephasesformedinRSaluminium-richAl-Small0yswerereportedinthepresentpaper.Thealuminium-richendoftheAl-Smphasediagramissh0wninFig.18].Inequllibriumstate,thes0lidsolubility0fSminAlisnegligible,andaeutecticsystemisformedbetweenAlandAl3Sm.T…
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